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Pilot Reveals Concerns Aboard Devastating Asiana Plane Crash

New details show that pilots were having trouble flying without computer controls.
1:38 | 12/12/13

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Transcript for Pilot Reveals Concerns Aboard Devastating Asiana Plane Crash
francisco earlier this year. Three passengers were killed when the south korean plane didn't make the runway. And documents just released were showing the pilots were having trouble flying without computer controls. One called it very stressful. Abc's jim avila has the story. Reporter: The ntsb calls the problem automation addiction. Pilots relying too heavily on computer flight controls. Automation must be understood and monitored by flight crews. Reporter: In the asiana crash, the pilot inadvertently shut down the automatic throttle and did not realize the 777 jumbo jet had lost so much speed, it would not reach the runway safely. Instead, plowing into the seawall and practically cartwheeling down the landing strip. Because these pilots are not trained to fly the airplane manually, they got confused. Reporter: Cockpit simulation shows the flight was approaching normally. The pilot unfamiliar with local geography asking, is that the golden gate? No sign of panic until 30 feet above the bay. An audible warning. The plane is flying too slow. And the captain orders the junior pilot to go around, attempting to aboard the landing. But it's too late. The asiana accident is a huge watershed and a big wake-up call. Reporter: Nance says it could have been avoided, manually pushing the throttles forward. For "good morning america," jim avila, abc news, san francisco.

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